Lead Box Gutter Construction Detail
Traditionally in applications such as lead lined gutters lead sheet lengths are joined by overlapping them at drips that stand at least 50mm high.
Lead box gutter construction detail. Lead slates chimney flashings back gutters apron and side flashings parapet box and tapered gutters 5 to 8 table 3 sizing guidelines to good practice recommended maximum sizes of individual pieces of lead for the following applications. Cost alternative to the restructuring of existing gutter detail. 3a flashings apron and cover. The lead sheet association s recommended detail for an overflow pipe from a sump reproduced from the lead sheet manual by kind permission of the lead sheet association an alternative overflow detail where the parapet gutter discharges horizontally through the parapet wall.
The reason for this was that traditional wall head gutters that were made from concrete and lined with lead which can be found on many older buildings up and down the country needed the leadwork replaced. Lead sheet is a soft and malleable metal which means it s an excellent roofing material because it can be formed and shaped to suit any detail. Parapet and tapered gutters our basic fitting guides are designed to assist installing rolled lead sheet in a range of roofing applications including flashings valleys gutters and flat roofing. 20 of each component per set 5 sets per box includes lead dome nylite washer.
Also pitched valley gutter linings bs en12588 uses maximum code no. 25mm 30mm 38mm 1kg per box. In the old days the lead lining pieces were just lapped and water ingress was inevitable.